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Finding the Fourth Proportional to 504,810.04, 696,651 and 275,371.20

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Solution

The fourth proportional to 504,810.04, 696,651 and 275,371.20 is: 380,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,810.04 : 696,651 = 275,371.20 : x
  2. Step 2: Convert to fraction form
    504,810.04/696,651 = 275,371.20/x
  3. Step 3: Cross multiply
    504,810.04x = 696,651 × 275,371.20
  4. Step 4: Simplify right side
    504,810.04x = 191,837,621,851.20
  5. Step 5: Solve for x
    x = 191,837,621,851.20/504,810.04
  6. Step 6: Final answer
    x = 380,019.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.